Home / 5,918.23-8,166.27-3,400.45

Finding the Fourth Proportional to 5,918.23, 8,166.27 and 3,400.45

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Solution

The fourth proportional to 5,918.23, 8,166.27 and 3,400.45 is: 4,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.23 : 8,166.27 = 3,400.45 : x
  2. Step 2: Convert to fraction form
    5,918.23/8,166.27 = 3,400.45/x
  3. Step 3: Cross multiply
    5,918.23x = 8,166.27 × 3,400.45
  4. Step 4: Simplify right side
    5,918.23x = 27,768,992.82
  5. Step 5: Solve for x
    x = 27,768,992.82/5,918.23
  6. Step 6: Final answer
    x = 4,692.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.